From 35325ce024b36672aca33f08bf61adf3570445bf Mon Sep 17 00:00:00 2001
From: kballou <kballou@devnulllabs.io>
Date: Sun, 30 Oct 2016 22:54:39 -0600
Subject: Add connection acceptor

This adds a basic connection acceptor that immediately closes accepted
connections and beings to flesh out the supervision tree.
---
 config/config.exs          |  3 +++
 lib/octochat/acceptor.ex   | 21 +++++++++++++++++++++
 lib/octochat/supervisor.ex |  4 +++-
 3 files changed, 27 insertions(+), 1 deletion(-)
 create mode 100644 lib/octochat/acceptor.ex

diff --git a/config/config.exs b/config/config.exs
index d2d855e..52b37d2 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -1 +1,4 @@
 use Mix.Config
+
+config :octochat,
+  port: 9999
diff --git a/lib/octochat/acceptor.ex b/lib/octochat/acceptor.ex
new file mode 100644
index 0000000..66d97fc
--- /dev/null
+++ b/lib/octochat/acceptor.ex
@@ -0,0 +1,21 @@
+defmodule Octochat.Acceptor do
+  @moduledoc """
+  Connection/socket accpetor
+  """
+
+  @listen_port Application.get_env(:octochat, :port) || 9999
+
+  def accept do
+    {:ok, socket} = :gen_tcp.listen(
+      @listen_port,
+      [:binary, packet: :line, active: false, reuseaddr: true])
+    loop_acceptor(socket)
+  end
+
+  defp loop_acceptor(socket) do
+    {:ok, client} = :gen_tcp.accept(socket)
+    :gen_tcp.close(client)
+    loop_acceptor(socket)
+  end
+
+end
diff --git a/lib/octochat/supervisor.ex b/lib/octochat/supervisor.ex
index b26f4de..0c38829 100644
--- a/lib/octochat/supervisor.ex
+++ b/lib/octochat/supervisor.ex
@@ -10,7 +10,9 @@ defmodule Octochat.Supervisor do
   end
 
   def init(_) do
-    children = []
+    children = [
+      worker(Task, [Octochat.Acceptor, :accept, []])
+    ]
 
     opts = [strategy: :one_for_one]
     supervise(children, opts)
-- 
cgit v1.2.1